1. Ahmed S. An Overview of Soviet Concepts of Food and Nutrition in Spaceflight International Conference on Life Support and Biospherics, Proceedings, p. 401–410, 1992
2. Alexandrov A. The EVA Program of the USSR Lecture Notes, International Space University, 1992
3. Barer A., Filipenkov S. Decompression Safety of EVA: Soviet Protocol Acta Astronautica, Vol. 32, No. 1, p. 73–74, 1994
4. Barer A., Filipenkov S. Suited Crewmember Productivity Acta Astronautica, Vol. 32, No. 1, p. 51–58, 1994
5. Barrett M. Medical Aspects of EVA Lecture Notes, International Space University, 1992